Hospital nurses are often so busy that they have trouble finding time for a bathroom break. Over an eight- to 12-hour shift, they’re keeping tabs on multiple patients: checking their vital signs, administering medication, and chatting with family members who’ve come to visit. Occasionally, a patient seems off, looking tired or pale or drowsier than normal. But if objective measures such as blood pressure and heart rate are normal, it’s hard for a nurse to justify pulling the physician out of rounds to check on the patient. Plus, there’s not much time to interrogate a gut feeling before moving on to the next room.
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